#app {

  .main-container {
    min-height : 100%;
    transition : margin-left .28s;
    margin-left: $sideBarWidth;
    position   : relative;
  }

  .sidebar-container {
    transition: width 0.28s;
    width     : $sideBarWidth !important;
    height    : 100%;
    position  : fixed;
    font-size : 0px;
    top       : 0;
    bottom    : 0;
    left      : 0;
    z-index   : 1001;
    overflow  : hidden;
    background: -webkit-linear-gradient(bottom, #3d6df8, #5b8cff);

    // reset element-ui css
    .horizontal-collapse-transition {
      transition: 0s width ease-in-out, 0s padding-left ease-in-out, 0s padding-right ease-in-out;
    }

    .scrollbar-wrapper {
      background: url('~@/assets/common/leftnavBg.png') no-repeat 0 100%;
    }

    .el-scrollbar__bar.is-vertical {
      right: 0px;
    }

    .el-scrollbar {
      height: 100%;
    }

    &.has-logo {
      .el-scrollbar {
        height: calc(100% - 50px);
      }
    }

    .is-horizontal {
      display: none;
    }

    a {
      display : inline-block;
      width   : 100%;
      overflow: hidden;
    }

    .svg-icon {
      margin-right: 16px;
    }

    .sub-el-icon {
      margin-right: 12px;
      margin-left : -2px;
    }

    .el-menu {
      border: none;
      height: 100%;
      width : 100% !important;

      a {
        li {
          .svg-icon {
            color         : #fff;
            font-size     : 18px;
            vertical-align: middle;

            .icon {
              color: #fff;
            }
          }

          span {
            color: #fff;
          }

          &:hover {
            .svg-icon {
              color: #43a7fe;
            }

            span {
              color: #43a7fe;
            }
          }
        }
      }

      .is-active {
        background-color: $menuText !important;

        span {
          color: $menuActiveText !important;
        }

        .svg-icon {
          color: $menuActiveText !important;
        }
      }

      // menu hover
      .submenu-title-noDropdown,
      .el-submenu__title {
        &:hover {
          background-color: $menuHover !important;
        }
      }

      .is-active>.el-submenu__title {
        color: $subMenuActiveText !important;
      }

      & .nest-menu .el-submenu>.el-submenu__title,
      & .el-submenu .el-menu-item {
        min-width       : $sideBarWidth !important;
        background-color: $subMenuBg !important;

        &:hover {
          background-color: $subMenuHover !important;
        }
      }
    }

    .hideSidebar {
      .sidebar-container {
        width: 54px !important;
      }

      .main-container {
        margin-left: 54px;
      }

      .submenu-title-noDropdown {
        padding : 0 !important;
        position: relative;

        .el-tooltip {
          padding: 0 !important;

          .svg-icon {
            margin-left: 20px;
          }

          .sub-el-icon {
            margin-left: 19px;
          }
        }
      }

      .el-submenu {
        overflow: hidden;

        &>.el-submenu__title {
          padding: 0 !important;

          .svg-icon {
            margin-left: 20px;
          }

          .sub-el-icon {
            margin-left: 19px;
          }

          .el-submenu__icon-arrow {
            display: none;
          }
        }
      }

      .el-menu--collapse {
        .el-submenu {
          &>.el-submenu__title {
            &>span {
              height    : 0;
              width     : 0;
              overflow  : hidden;
              visibility: hidden;
              display   : inline-block;
            }
          }
        }
      }
    }

    .el-menu--collapse .el-menu .el-submenu {
      min-width: $sideBarWidth !important;
    }

    // mobile responsive
    .mobile {
      .main-container {
        margin-left: 0px;
      }

      .sidebar-container {
        transition: transform .28s;
        width     : $sideBarWidth !important;
      }

      &.hideSidebar {
        .sidebar-container {
          pointer-events     : none;
          transition-duration: 0.3s;
          transform          : translate3d(-$sideBarWidth, 0, 0);
        }
      }
    }

    .withoutAnimation {

      .main-container,
      .sidebar-container {
        transition: none;
      }
    }
  }

  // when menu collapsed
  .el-menu--vertical {
    &>.el-menu {
      .svg-icon {
        margin-right: 16px;
      }

      .sub-el-icon {
        margin-right: 12px;
        margin-left : -2px;
      }
    }

    .nest-menu .el-submenu>.el-submenu__title,
    .el-menu-item {
      &:hover {
        // you can use $subMenuHover
        background-color: $menuHover !important;
      }
    }

    // the scroll bar appears when the subMenu is too long
    >.el-menu--popup {
      max-height: 100vh;
      overflow-y: auto;

      &::-webkit-scrollbar-track-piece {
        background: #d3dce6;
      }

      &::-webkit-scrollbar {
        width: 6px;
      }

      &::-webkit-scrollbar-thumb {
        background   : #99a9bf;
        border-radius: 20px;
      }
    }
  }
}